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Finding the Fourth Proportional to 8,951.92, 13,426.02 and 3,403.32

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Solution

The fourth proportional to 8,951.92, 13,426.02 and 3,403.32 is: 5,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.92 : 13,426.02 = 3,403.32 : x
  2. Step 2: Convert to fraction form
    8,951.92/13,426.02 = 3,403.32/x
  3. Step 3: Cross multiply
    8,951.92x = 13,426.02 × 3,403.32
  4. Step 4: Simplify right side
    8,951.92x = 45,692,992.04
  5. Step 5: Solve for x
    x = 45,692,992.04/8,951.92
  6. Step 6: Final answer
    x = 5,104.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.